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LM2795TLX from NS,National Semiconductor

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LM2795TLX

Manufacturer: NS

Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control

Partnumber Manufacturer Quantity Availability
LM2795TLX NS 3000 In Stock

Description and Introduction

Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control The LM2795TLX is a charge pump-based white LED driver manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 30mA per LED (adjustable)  
- **Number of LED Channels:** 3  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 90%  
- **Package Type:** 10-pin LLP (Leadless Leadframe Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The LM2795TLX is a high-efficiency, regulated charge pump designed to drive up to three white LEDs with uniform brightness.  
- It uses a fractional charge pump (1.5x) to optimize power efficiency.  
- The device includes built-in current regulators for each LED, eliminating the need for external resistors.  
- It features a low-dropout current regulator to maintain consistent brightness even as battery voltage declines.  

### **Features:**  
- **Automatic Mode Switching:** Switches between 1x and 1.5x modes for optimal efficiency.  
- **PWM Dimming Control:** Supports brightness adjustment via pulse-width modulation (PWM).  
- **Low Quiescent Current:** Typically 0.6mA in shutdown mode.  
- **No External Inductors Required:** Charge pump architecture eliminates the need for inductors.  
- **Over-Temperature Protection:** Built-in thermal shutdown for safety.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control
Partnumber Manufacturer Quantity Availability
LM2795TLX NATIONAL 1000 In Stock

Description and Introduction

Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control The LM2795TLX is a charge pump-based white LED driver manufactured by National Semiconductor (now part of Texas Instruments). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** National Semiconductor  
- **Type:** White LED Driver  
- **Topology:** Charge Pump (1x/1.5x/2x modes)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 30mA per LED (4 LEDs total)  
- **Switching Frequency:** ~1MHz  
- **Efficiency:** Up to 90%  
- **Package:** 10-pin LLP (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The LM2795TLX is a compact, high-efficiency LED driver designed for powering white LEDs in portable devices.  
- It uses a fractional charge pump architecture to regulate current across multiple LEDs.  
- The device includes an internal current mirror for uniform brightness control.  

### **Features:**
- **Automatic Mode Switching:** Dynamically selects 1x, 1.5x, or 2x charge pump mode for optimal efficiency.  
- **PWM Dimming Control:** Supports brightness adjustment via pulse-width modulation (PWM).  
- **Low Dropout Operation:** Maintains regulation even with low input voltages.  
- **Integrated Current Matching:** Ensures uniform LED brightness.  
- **Thermal Shutdown Protection:** Safeguards against overheating.  
- **Small Footprint:** Suitable for space-constrained applications.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control
Partnumber Manufacturer Quantity Availability
LM2795TLX NS/PBF 5830 In Stock

Description and Introduction

Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control The LM2795TLX/NOPB is a charge pump-based white LED driver manufactured by Texas Instruments (formerly National Semiconductor). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments (formerly National Semiconductor)  
- **Part Number:** LM2795TLX/NOPB  
- **Type:** White LED Driver  
- **Topology:** Charge Pump (1x/1.5x/2x)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 30mA per LED (adjustable)  
- **Number of Outputs:** 3  
- **Efficiency:** Up to 90%  
- **Switching Frequency:** 1MHz (typical)  
- **Dimming Control:** PWM (Pulse-Width Modulation)  
- **Package:** 10-Pin LLP (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The LM2795TLX/NOPB is a compact, high-efficiency LED driver designed for powering white LEDs in portable applications. It uses a charge pump architecture to regulate current, ensuring uniform brightness across multiple LEDs. The device supports PWM dimming for brightness control and operates efficiently across a wide input voltage range.

### **Features:**
- **Integrated Charge Pump:** Supports 1x, 1.5x, and 2x modes for optimal efficiency.  
- **Adjustable LED Current:** Up to 30mA per LED with external resistor setting.  
- **Low Dropout Operation:** Maintains regulation even at low input voltages.  
- **PWM Dimming:** Allows precise brightness control.  
- **Automatic Mode Switching:** Dynamically adjusts charge pump mode for efficiency.  
- **Thermal Protection:** Prevents overheating.  
- **Small Footprint:** 10-pin LLP package (3mm x 3mm) for space-constrained designs.  
- **Low Quiescent Current:** Minimizes power consumption in standby.  

This information is based solely on the manufacturer's datasheet and product documentation.

Application Scenarios & Design Considerations

Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control

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